diff --git a/tools/pkgs-custom.txt b/tools/pkgs-custom.txt
index e9bc6d42d..7f5cb18c6 100644
--- a/tools/pkgs-custom.txt
+++ b/tools/pkgs-custom.txt
@@ -46,7 +46,6 @@ knuth-lib
 kvdefinekeys
 kvoptions
 kvsetkeys
-l3backend
 l3kernel
 l3packages
 latex